io: get rid of APK_PROGRESS_SCALE

no need to muldiv all the time, just pass the current amount of bytes
done, and let callbacks use that directly.

src/apk_defines.h

@@ -16,6 +16,7 @@
 
 #define ARRAY_SIZE(x)	(sizeof(x) / sizeof((x)[0]))
 #define BIT(x)		(1 << (x))
+#define min(a, b)	((a) < (b) ? (a) : (b))
 #define max(a, b)	((a) > (b) ? (a) : (b))
 
 #ifndef TRUE
@@ -102,8 +103,6 @@ static inline size_t muldiv(size_t a, size_t b, size_t c)
 
 typedef void (*apk_progress_cb)(void *cb_ctx, size_t);
 
-#define APK_PROGRESS_SCALE 0x100
-
 void *apk_array_resize(void *array, size_t new_size, size_t elem_size);
 
 #define APK_ARRAY(array_type_name, elem_type_name)			\

src/archive.c

@@ -363,8 +363,7 @@ int apk_archive_entry_extract(int atfd, const struct apk_file_info *ae,
 				r = -1;
 				break;
 			}
-			if (apk_istream_splice(is, fd, ae->size, cb, cb_ctx)
-			    == ae->size)
+			if (apk_istream_splice(is, fd, ae->size, cb, cb_ctx) == ae->size)
 				r = 0;
 			close(fd);
 		} else {

src/commit.c

@@ -125,16 +125,14 @@ struct progress {
 	int flags;
 };
 
-static void progress_cb(void *ctx, size_t pkg_percent)
+static void progress_cb(void *ctx, size_t installed_bytes)
 {
 	struct progress *prog = (struct progress *) ctx;
-	size_t partial = 0, percent, total;
+	size_t percent, total;
 
-	if (prog->pkg != NULL)
-		partial = muldiv(pkg_percent, prog->pkg->installed_size, APK_PROGRESS_SCALE);
 	total = prog->total.bytes + prog->total.packages;
 	if (total > 0)
-		percent = muldiv(100, prog->done.bytes + prog->done.packages + partial,
+		percent = muldiv(100, prog->done.bytes + prog->done.packages + installed_bytes,
 				 prog->total.bytes + prog->total.packages);
 	else
 		percent = 0;

src/database.c

@@ -2133,19 +2133,12 @@ int apk_db_add_repository(apk_database_t _db, apk_blob_t _repository)
 	return 0;
 }
 
-static void extract_cb(void *_ctx, size_t progress)
+static void extract_cb(void *_ctx, size_t bytes_done)
 {
 	struct install_ctx *ctx = (struct install_ctx *) _ctx;
-
-	if (ctx->cb) {
-		size_t size = ctx->installed_size;
-
-		size += muldiv(progress, ctx->current_file_size, APK_PROGRESS_SCALE);
-		if (size > ctx->pkg->installed_size)
-			size = ctx->pkg->installed_size;
-
-		ctx->cb(ctx->cb_ctx, muldiv(APK_PROGRESS_SCALE, size, ctx->pkg->installed_size));
-	}
+	if (!ctx->cb)
+		return;
+	ctx->cb(ctx->cb_ctx, min(ctx->installed_size + bytes_done, ctx->pkg->installed_size));
 }
 
 static int apk_db_run_pending_script(struct install_ctx *ctx)
@@ -2256,14 +2249,6 @@ static int apk_db_install_archive_entry(void *_ctx,
 	if (r != 0)
 		return r;
 
-	/* Show progress */
-	if (ctx->cb) {
-		size_t size = ctx->installed_size;
-		if (size > pkg->installed_size)
-			size = pkg->installed_size;
-		ctx->cb(ctx->cb_ctx, muldiv(APK_PROGRESS_SCALE, size, pkg->installed_size));
-	}
-
 	/* Installable entry */
 	ctx->current_file_size = apk_calc_installed_size(ae->size);
 	if (!S_ISDIR(ae->mode)) {

src/io.c

@@ -156,8 +156,8 @@ size_t apk_istream_splice(void *stream, int fd, size_t size,
 	}
 
 	while (done < size) {
-		if (done != 0 && cb != NULL)
-			cb(cb_ctx, muldiv(APK_PROGRESS_SCALE, done, size));
+		if (cb != NULL)
+			cb(cb_ctx, done);
 
 		togo = size - done;
 		if (togo > bufsz)